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70067349 = 351122383
BaseRepresentation
bin1000010110100…
…10010010010101
311212211210100000
410023102102111
5120414123344
610541441513
71510363662
oct413222225
9155753300
1070067349
1136607700
121b570299
1311693391
14943ca69
156240a69
hex42d2495

70067349 has 36 divisors (see below), whose sum is σ = 115414208. Its totient is φ = 42447240.

The previous prime is 70067311. The next prime is 70067351. The reversal of 70067349 is 94376007.

It is not a de Polignac number, because 70067349 - 215 = 70034581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70067369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28212 + ... + 30594.

Almost surely, 270067349 is an apocalyptic number.

It is an amenable number.

70067349 is a deficient number, since it is larger than the sum of its proper divisors (45346859).

70067349 is a wasteful number, since it uses less digits than its factorization.

70067349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420 (or 2397 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 70067349 is about 8370.6241702755. The cubic root of 70067349 is about 412.2606611588.

The spelling of 70067349 in words is "seventy million, sixty-seven thousand, three hundred forty-nine".

Divisors: 1 3 9 11 27 33 81 99 121 243 297 363 891 1089 2383 2673 3267 7149 9801 21447 26213 29403 64341 78639 193023 235917 288343 579069 707751 865029 2123253 2595087 6369759 7785261 23355783 70067349